Coalbed methane (CH4) is a natural gas and valuable energy resource that occurs in coal beds. This site, hosted by an energy development corporation, explains the geology and stratigraphy of Wyoming ...

This Yellowstone National Park website provides an array of online tours, videos, and other information. Nature and history tours are among those featured on the site. The nature tours cover the Old ...

This U.S. Geological Survey report describes the natural and anthropogenic factors believed to influence water quality in the Yellowstone River Basin. Topics include physiography, climate, geology, ...